Seiko Cal. 6656 - 407

The 6656-407 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d8b503b798b2]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1999

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